Occupant protection control device, occupant protection system, and occupant protection control method

An occupant protection control device that performs operation control of a plurality of occupant protection devices provided in a vehicle, the occupant protection control device including a determination section that determines whether or not said vehicle has had a collision, based on acceleration data acquired (S1) from a plurality of acceleration sensors installed in predetermined locations of said vehicle, wherein when a side impact collision of said vehicle occurs, a seat belt pretensioner among said plurality of occupant protection devices is inhibited to be operated, and when a frontal oblique impact collision of said vehicle occurs, said seat belt pretensioner is operated after a curtain airbag (S6), among said plurality of occupant protection devices, is operated.